Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é a menor multidão que Footscray teve como time visitante?
 ###Tabelas: CREATE TABLE individuals (individuals_id AUTO_INCREMENT PRIMARY KEY, Position INT, Gymnast VARCHAR, Floor VARCHAR, Pommel Horse VARCHAR, Rings VARCHAR, Vault VARCHAR, Parallel Bars VARCHAR, Horizontal Bar VARCHAR, Total INT) CREATE TABLE list_of_titleholders_and_runners-up (list_of_titleholders_and_runners-up_id AUTO_INCREMENT PRIMARY KEY, Host city VARCHAR, Year INT, Winner VARCHAR, 1st runner up VARCHAR, 2nd runner up VARCHAR) CREATE TABLE round_4 (round_4_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE champions_by_year (champions_by_year_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Regular Season Champion(s) VARCHAR, Record VARCHAR, Tournament Champion VARCHAR, Tournament venue VARCHAR, Tournament city VARCHAR) CREATE TABLE average_polling (average_polling_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Result, Parliam. election 2005 VARCHAR, Result, County elections 2007 VARCHAR, Aug 2008 VARCHAR, Sep 2008 VARCHAR, Oct 2008 VARCHAR, Nov 2008 VARCHAR, Dec 2008 VARCHAR, Jan 2009 VARCHAR, Feb 2009 VARCHAR, Mar 2009 VARCHAR, Apr 2009 VARCHAR, May 2009 VARCHAR, Jun 2009 VARCHAR, Jul 2009 VARCHAR, Aug 2009 VARCHAR)  
SELECT MIN Crowd FROM round_4 WHERE Away team = footscray